- in a rapidly changing world.
动物正适应着新的挑战 - In the Arctic...
在北极 - ..monumental change is a regular event.
巨大的变化随处可见 - Summer.
夏天 - Visitors are arriving en masse...
大批游客抵达此处 - ..attracted by the biggest seasonal transformation
它们受到了地球上最大的 - on any coast on Earth.
海岸季节性变化的吸引